Caterpillar 3512 Industrial 122-9281 GEAR GP-FRONT–RH Parts
Caterpillar 3512 122-9281 GEAR GP-FRONT–RH: 30 catalog entries transcribed from the supplied original PDF from the 3512 Industrial Engine · 65Z887-UP (Engine) configuration.
Engine and Catalog Identification
Source configuration: 3512 Industrial Engine · 65Z887-UP (Engine). Application: Industrial. Reviewed chapter: 122-9281 GEAR GP-FRONT–RH. Archive index label: 122-9281 GEAR GP-FRONT–RH. The supplied archive identifies its source as CATERPILLAR 3512 INDUSTRIAL ENGINE.pdf; source page 213. Check the full engine serial number, arrangement number, application and original notes before ordering. This section does not establish interchangeability with other configurations.
Original PDF Assembly Scope and Conditions
Original PDF physical page 213: 122-9281 GEAR GP-FRONT –RH LOW SPEED, STANDARD ROTATION.
The parts table retains the separate source assembly for each entry. Drawings retain their own original assembly headings and may show a narrower component scope. Original part numbers, conditions, graphic references, product levels and note flags apply; no interchangeability is implied.
Illustrations | Parts table | Request a quote
122-9281 GEAR GP-FRONT–RH Illustrations

Original Caterpillar Parts List
The original part number is retained. Common Caterpillar Number is the same recognized number with its hyphen removed, for example 3N-2886 → 3N2886. Letters, digits and leading zeros remain unchanged. This is a spelling variant, not a substitute part or fitment guarantee. Unrecognized formats are marked for verification. Original quantities and notes apply; quantities do not indicate stock. An em dash represents an empty source field. Original manual page references are retained as source references.
| Ref. | Original Part Number | Common Caterpillar Number | Catalog Qty. | Original Description | Original Catalog Notes | Enquiry |
|---|---|---|---|---|---|---|
| 1 | 2W-2895 | 2W2895 | 1 | GEAR-CRANKSHAFT (92-TEETH) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 2 | 2W-7320 | 2W7320 | 1 | GEAR-ACCESSORY DRIVE (46-TEETH) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 3 | 5R-7136 | 5R7136 | 2 | WASHER-SEALING | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 4 | 5R-7137 | 5R7137 | 2 | WASHER-SEALING | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 5 | 7C-3258 | 7C3258 | 1 | WASHER AS-THRUST | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 5A | 7N-2047 | 7N2047 | 1 | DOWEL | Graphic ref.: 1; Product level: 2; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 6 | 7C-3259 | 7C3259 | 1 | SHAFT | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 7 | 7N-5239 | 7N5239 | 1 | SHAFT AS-PUMP DRIVE | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 7A | 8T-2153 | 8T2153 | 1 | SETSCREW-SOCKET (1/4-28X0.31-IN) | Graphic ref.: 1; Product level: 2; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 8 | 7N-5245 | 7N5245 | 1 | ADAPTER AS-PUMP | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 8A | 127-5400 | 1275400 | 1 | BUSHING | Graphic ref.: 1; Product level: 2; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 9 | 7N-5246 | 7N5246 | 2 | WASHER-THRUST | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 10 | 116-3242 | 1163242 | 1 | GEAR AS-IDLER (66-TEETH) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 10A | 116-1365 | 1161365 | 1 | BUSHING | Graphic ref.: 1; Product level: 2; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 11 | 235-3546 | 2353546 | 1 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 12 | 259-4598 | 2594598 | 1 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 13 | 278-4287 | 2784287 | 1 | ADAPTER AS-PUMP | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 13A | 127-5400 | 1275400 | 1 | BUSHING | Graphic ref.: 1; Product level: 2; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 14 | 0S-1590 | 0S1590 | 5 | BOLT (3/8-16X2-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 15 | 0S-1594 | 0S1594 | 2 | BOLT (3/8-16X1-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 16 | 0T-0055 | 0T0055 | 2 | BOLT (3/8-16X4.25-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 17 | 3S-1307 | 3S1307 | 12 | BOLT-12 POINT HEAD (3/8-16X2-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 18 | 4B-3388 | 4B3388 | 4 | BOLT (5/16-18X1.125-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 19 | 5M-2894 | 5M2894 | 7 | WASHER-HARD (10.2X18.5X2.5-MM THK) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 20 | 5P-8245 | 5P8245 | 2 | WASHER-HARD (13.5X25.5X3-MM THK) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 21 | 6K-3771 | 6K3771 | 12 | BOLT-12 POINT HEAD (7/16-14X1.5-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 22 | 6V-3348 | 6V3348 | 1 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 23 | 9M-1974 | 9M1974 | 4 | WASHER-HARD (8.8X16X2-MM THK) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 24 | 9X-8879 | 9X8879 | 2 | BOLT (1/2-13X5.5-IN) | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
| 25 | 259-4598 | 2594598 | 1 | SEAL-O-RING | Graphic ref.: 1; Product level: 1; Source PDF section: 122-9281 GEAR GP-FRONT | Request a Quote |
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Send the original part number, required quantity, Caterpillar 3512 engine serial number, arrangement number, application, component photos and delivery country. Supplied contents, specification, availability and lead time will be confirmed in the quotation.
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Related Caterpillar Catalog Sections
- Caterpillar 3512 Industrial 8N-6439 FLYWHEEL GP Parts
- Caterpillar 3512 Industrial 8N-6038 FLYWHEEL GP Parts
- Caterpillar 3512 Industrial 8N-5769 GEAR GP-FRONT Parts
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